Model Engine Maker

Engines => From Plans => Topic started by: steam guy willy on October 30, 2018, 07:11:36 PM

Title: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 30, 2018, 07:11:36 PM
Here is my new engine build , it is an Eastons and Anderson beam engine wit the meyer valve system. It is the engine based at Bressingham Steam engine museum near Diss Norfolk. The engine is different from mu previous beam engine builds and so has its own particular challenges a n idiosyncrasies . It has a particularly fine moulded entablature but with a very plane built up beam and simple con rod. There is also the meyer valve gear that will be models in full although it is hidden inside the steam chest. I have taken numerous photos of it and have started on the drawings,   so here goes and i hope to finish it for next years Forncett museum event !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on October 30, 2018, 07:17:11 PM
Excellent, another build from SGW to watch!!   :popcorn:




Do you have a diagram of what the Meyer valve gear is, don't know that one.


 :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: b.lindsey on October 30, 2018, 09:00:32 PM
Looking forward to the build Willy. I would love to see the original in person....maybe someday ::)

Bill
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ye-Ole Steam Dude on October 30, 2018, 10:16:26 PM
Hello Willy,

That sure is a beautiful Crown on the original engine. I will be following your build.

Have a great day,
Thomas
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Dave Otto on October 30, 2018, 11:05:55 PM
I always enjoy your projects, looking forward to this one too.

Dave
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 30, 2018, 11:51:21 PM
Hi All ,a few more pics... a general arrangement from 1970 and a schematic diagram and info of the meyer valve.....more pics to follow. One surprising thing about the entablature is that the top part over the motion work has a sort of checker plate design design cast integral with it  ! so the people working on top of the engine would not slip off!! I have not seen this before. There is also the checker plate design on the base casting around the standards
.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jasonb on October 31, 2018, 07:27:46 AM
Just in case you feel the urge to do a JL and model the engine room this is the engine when it was in it's original working place at Banstead which is not too far from me. Then again you would really have to model the pair :LittleDevil:

(http://img.photobucket.com/albums/v156/jasonballamy/Engineering/EastonandAnderson/Banstead1_zpselsylx9v.jpg)

(http://img.photobucket.com/albums/v156/jasonballamy/Engineering/EastonandAnderson/Banstead2_zps0juivetn.jpg)
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 31, 2018, 01:03:18 PM
Hi Jason, thanks so much for the photo it is good to see it i situ. is this one of George Watkins  photos ? I do have some of his books. It still has the railings around it that i thought Bressingham had installed but apparently not  ! You don't have the other engine perchance !!
Thanks again
Willy.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jasonb on October 31, 2018, 02:50:38 PM
Yes it is in his London & South East volume. Just the one engine, maybe the other had already been removed by the time the photo was take.

I hope you are not planning to include the Kee-Klamp handrail.

Regarding you book of measurements, do you prepare the sketch and number the items before you make your visit? This would seem the best way if possible as you can spend some time thinking about what dims you need rather than having to rush when on site and risk leaving off the obvious ones
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 31, 2018, 03:07:27 PM
Hi Jason, Yes the key clamps will disappear and i do exactly that with the measurements..I go first and take lots of photos from side  front and above then i go back with my friend  Clare and i read out the dimensions with the plan on a separate piece of paper and she fills them in ..However when i read out the dimensions from the rule, i am careful not to say 3 4 5 6.and 23 /64ths as that becomes a bit confusing for her !! Also ..when i did the same with the Bridewell engine some of the measurements seemed a bit odd? and then discovered the person was a bit dyslexic  so 3 & 5/8ths got written down as 5 & 3/8ths !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 31, 2018, 11:56:07 PM
so ..i need to mill the profiles on the base.. I am trying stout on this piece of SRBP first and i was going to put this rotary table in the mill vice and go up and down the bed then turn it round the 180 degrees to mill the curved end. However the rotary table i have is a George Thomas item but i don't know how to lock it to itself  ? it has the stops for the 180 degree turning limits but i don't know about locking the central spindle ?? any ideas?? also more photos
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 01, 2018, 12:04:34 AM
That drawing of the valve finally makes it clear, the others I found were confusing.   :ThumbsUp:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jasonb on November 01, 2018, 07:18:01 AM
I don't think you can lock that one, maybe get the holes in the base first then you can clamp through those down to the table with some suitable height packing to do all the straight cuts then undo the fixing to round the end. Even if it could be locked there would be a lot of leverage on the table that may see it creap and the overhanging end would be flapping about as well.

What are you going to use for the base, a bit of 1/2" aluminium would be quite easy to cut.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: ChuckKey on November 01, 2018, 09:06:25 AM
...the rotary table i have is a George Thomas item but i don't know how to lock it to itself  ? it has the stops for the 180 degree turning limits but i don't know about locking the central spindle
I set both the movable stops tight up to the fixed stop.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 01, 2018, 12:49:26 PM
...the rotary table i have is a George Thomas item but i don't know how to lock it to itself  ? it has the stops for the 180 degree turning limits but i don't know about locking the central spindle
I set both the movable stops tight up to the fixed stop.
  Hi Chuckkey yes i have come to the same conclusion to that after sleeping on it   Thanks  and great minds think alike  !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 03, 2018, 01:48:09 AM
I have started on the base and i found a piece of 10" wide 1/4" aluminium and got a 12' length for £2... The base is 1/2" thick so i will join two pieces together .This will be quite convenient as the base is not solid but is 3 sides of a square with vertical filets straddling the top and bottom parts. once the two parts are pinned together and the mouldings milled the insides will be milled off. I have hand sawn the 2.5" strips off the slab using an assortment of hacksaws . The red eclipse one that is used to saw corrugated iron panels did not work as the modern saw blades are too thin for the backing plate. I have also been trying out the small G T Rotary table using the stops to lock it. this sort of worked ok but the stops do need tightening quite tight . I also used coconut oil to lubricate the saw and used a 18 tooth blade.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jasonb on November 03, 2018, 07:32:55 AM
Have you tried using the saw in the first photo with the blade turned 90degrees so the frame runs down the side of the sheet?

I was playing about will some fly cut cove and ogee profiles last night, all cut with the two tools shown.

(https://www.model-engineer.co.uk/sites/7/images/member_albums/44290/815711.jpg)
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: michaelr on November 03, 2018, 09:32:14 AM
I use the Eclipse sheet saw for such work, don't know if they are still obtainable now.
Mike
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 03, 2018, 04:53:32 PM
Hi Jason , yes i could have rotated the saw blade but the sheet aluminium is only 10" deep and there is enough room to saw it out as i reversed the plate round ..also i put the clamps on it to stop the loud vibrations disturbing the neighbours On the base there is just a simple moulding that i can use a round nosing tool on and i will use a 3/32' clarkson cutter in the mill.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 04, 2018, 02:25:21 AM
So more work on the base...the two halves have been joined together with 6BA countersunk screws and the sides milled to size . The profiles have been marked out from the drawings and measurements . There are a few extra protrusions on the base and these will be added afterwards. I have a full size drawing for the model and there is a rule and an EU valid not too bendy banana to give an indication for it !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 08, 2018, 02:31:21 AM
The base has now been fitted up with a curved end and because the two halves need to be held together accurately when machining there are two small sellik pins inserted at the ends. To split the two halves a screw has been attached to push the halves apart. i have also got the clarkson cutters for the profile...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 08, 2018, 02:45:09 AM
Nice idea for the screw to separate them.


 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 09, 2018, 02:03:04 AM
Ok ..So had a try out on this piece of SRBP ... I clamped it in position on the mill and turned the base round by hand using the stops.  Unfortunately as my mill only has a travel of about 16" i can not use it to mill the whole lot by traversing the part in one direction then swivelling it round and then traveling back !! The base is about 10" long so would need to use quite a large mill.   After trying out the SRBP if mounted the aluminium base and started on the cavetto part of the profile. I have scribed lines on the part and will have to mill out using just  a  visual technique with 3.5 strength reading glasses. Also a drawing showing the cross section of the base.....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 10, 2018, 03:23:24 AM
The curved end has been profiled and i am now doing the sides and end. I  have taken it off the rotary table and attached a square section bar to the bottom of the base. I am having to mill them by dead reckoning and a powerful set of glasses   X 3.5 magnification . The first profile has been milled successfully .....so the top one will be next....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 10, 2018, 03:32:50 AM
Beauty!


 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 10, 2018, 04:47:00 PM
sdfgrdd
:shrug:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 10, 2018, 05:13:03 PM
sdfgrdd
:shrug:
Hi , sorry about that, i was trying to find out about being able to use that word crossing out feature in other places on the computer and i was showing somebody what i was talking about and i thought i had deleted it but it got sent by mistake !!!
Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 10, 2018, 06:36:44 PM
sdfgrdd
:shrug:
Hi , sorry about that, i was trying to find out about being able to use that word crossing out feature in other places on the computer and i was showing somebody what i was talking about and i thought i had deleted it but it got sent by mistake !!!
Willy
:Lol:
I was trying to figure out what the initials meant!   :facepalm2:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 10, 2018, 08:08:37 PM
So, Don't ForGet, Read Drill Dimensions....? ;D

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 10, 2018, 11:39:24 PM
So after much mental anguish the profiling is done...with much looking etc etc etc....so if it looks right then it possibly is . I do worry a bit about making parts ,but i get in the workshop and it just seems to happen ....!!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: zeeprogrammer on November 11, 2018, 12:54:50 AM
Looks right nice to me!  :ThumbsUp: :ThumbsUp:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: scc on November 11, 2018, 03:46:03 PM
Very nicely done Willy!             Terry
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 11, 2018, 05:43:47 PM
Looks right nice to me!  :ThumbsUp: :ThumbsUp:
......Here in Norfolk we say   'Roight   Noice but it still means the some thing I have to attach more bits to it now that overhang the mouldings to attach the standards and bearings too...Thanks Terry   I am quite pleased with it too and glad i didn't have to make a new one !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 12, 2018, 03:09:25 AM
The slots for the various protrusions have been milled out . There are some chequer plates installed so the slots for those are also milled.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 12, 2018, 01:31:55 PM
That base is quite the project in itself.
 :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 12, 2018, 04:49:04 PM
Hi Chris , yes it is quite involved and i am going to try and replicate the chequer plate !! I have a few ideas up my sleeve  so shall see what happens ???   watch this space ,,as they say.................It would be easy to engrave it but then it would be in reverse !!???
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jasonb on November 12, 2018, 05:30:00 PM
Base is looking good. This is how I did the chequer plate access covers on my E&A if its any use.

http://www.modelenginemaker.com/index.php/topic,705.msg12483.html#msg12483
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 12, 2018, 06:39:45 PM
Base is looking good. This is how I did the chequer plate access covers on my E&A if its any use.

http://www.modelenginemaker.com/index.php/topic,705.msg12483.html#msg12483 (http://www.modelenginemaker.com/index.php/topic,705.msg12483.html#msg12483)
Jason, thats quite clever, came out great.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 12, 2018, 06:57:17 PM
Base is looking good. This is how I did the chequer plate access covers on my E&A if its any use.

http://www.modelenginemaker.com/index.php/topic,705.msg12483.html#msg12483
...Thanks for that ...i was thinking i could do it by using a slitting saw to make a negative impression then  squeezing some very thin stuff into it using a press with some rubber. Either some .5 thou brass shim or even some  ;Bacofoil' and gluing that in place ?  However your way looks really good !..

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jasonb on November 12, 2018, 07:15:19 PM
I've seen similar done with thin copper shim pressed into a negative that was then soft soldered to thicker material, not sure if it would work with the very thing raised areas on the E&A style but looks good on a "cast" step.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Roger B on November 12, 2018, 07:59:31 PM
That's an interesting prototype and a good start on the model  :praise2:  :praise2: What does that little brass plaque, open and shut, next to what I think is a pump rod refer too? My knowledge of these engines in very limited based mostly on Crofton and the Brighton Enginerium.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 13, 2018, 12:10:51 AM
That's an interesting prototype and a good start on the model  :praise2:  :praise2: What does that little brass plaque, open and shut, next to what I think is a pump rod refer too? My knowledge of these engines in very limited based mostly on Crofton and the Brighton Enginerium.
.. Hi Roger the open and shut plaque is where the lever for a condensing  type of engine fit. The exhaust steam is sometimes condensed to form a slight Vacuum to actually increase the efficacy of a steam engine, However as this engine was used in a Hospital the exhaust steam was used to heat the water used there. When these engines were built ,the patterns and castings were reused for lots of differently configured engines, a bit like  'mix and match'
thanks for looking in

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 13, 2018, 03:03:05 AM
I have been trying out a different method to make this chequer plate by scoring the brass ship on the back then turning it over and soldering it to a backing plate... There are some trial pieces to see how it looks ....................Also the first insert is made and screwed int place. I have used 5 thou brass shim and a fairly blunt scriber.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 13, 2018, 03:36:43 AM
Looks like the old technique of (sure I am mispelling it)  repousee, basically embossing from the back. Would it work to scribe it over a narrow shallow slot?
Cool stuff!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 14, 2018, 03:07:14 AM
Hi Chris , I scribed on the wood bench top so i think that is ok ..It does distort the ship though ,  it tries to curl up.... More work on the base the inserts have been sorted in the slots and "the cast in" curved stops for the main bearing has been fitted .   Next is to take the bed apart and mill out the hollow part in the curved end and then mill out the recesses and insert the webs..
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 14, 2018, 03:33:06 AM
A trick I have seen done on sheet metal beading for cars is to run down then line of the to be formed rib with a flat hammer on the anvil to prestretch the metal, supposed to reduce the curl. Annealing the brass first too should help.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 15, 2018, 02:43:47 AM
I have started on the crankshaft well.   I have almost finished the lower part of the well and it seems to coming on nicely. the rear part of base is actually wider than the front part for some reason ..possibly to give more room for the maintenance men to work on the crank.
  Thanks also to Tug for returning the  Marshall brochure.

Willy

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 15, 2018, 11:52:49 PM
The well part of the base is finished except for the webs and the feet...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 18, 2018, 02:22:51 AM
I have now milled the slots for the feet and also reduced the thickness of the top and bottom sections The slots for the webs are also milled ready to be inserted......
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 18, 2018, 02:38:24 AM
 :popcornsmall:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 19, 2018, 02:27:03 AM
I am attempting the chequer plate and have punched two rows of holes with my pounce to give an indication of where to scribe the lines ...however these should have been about a foot long. In the end i did them by eye !! Although i annealed the brass it did curl up and i had to re-aneal it numerous times... I have now glued it to a thicker piece of brass ready to cut out and fit.. so i will look at it tomorrow to see how it comes out!!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 20, 2018, 02:16:14 AM
so, the chequer plate has sort of worked and the feet are attached ....so the webs need inserting next.   
willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: sco on November 20, 2018, 07:54:37 AM
I think it's looking good Willy!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 21, 2018, 02:20:40 AM
I am now fitting the webs filing them from a piece of aluminium angle ..i have used a 3/32nd" milling cutter so have to file down the  14 gauge  angle ..then file them to shape and glue them in with 638 Loctite.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on November 22, 2018, 01:34:24 AM
Hi Willy....have been following on here also for some time.....very interested to hear how you find the Loctite bond in this flat surface application

I have mixed emotions  :facepalm: with Loctite bonds on small surface areas

Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 22, 2018, 03:26:17 AM
Hi Derek, I have been using this L 638 but only for cosmetic and low load applications  when using it on the feet this seems to be ok and also it stands up to being filed to the correct profile . On most other applications where there might be some movement i use countersunk screws and nuts. The feet were also a tight push fit using the vice jaws.!!  this being Alluminium when squashed in there is some spreading of the soft metal that also helps. I leave the parts slightly bigger and file them to shape afterwards. They do actually use Loctite to glue the Lotus car chassis together, just ten miles down the road !! 638 is the strongest as far as i know and i always leave it overnight about 18 hours...hope this is helpful

willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 22, 2018, 02:44:44 PM
I have now been attaching the other webs.. they are Loctited in ...then copious amounts of superglue poured in ...left overnight to dry and filed off to profile.. just the other side to do and the base will be finished ....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on November 22, 2018, 09:51:52 PM
Willy...I do understand the technical attributes of Loctited bonds, however this is where the main problem originates

Correctly surfaced components, degreased then with the applied Loctite Primer for the precise time, with the correct Grade of Loctite in air conditioned environments and yes I am sure the specified bond strength will be achieved

edit...derek 24.11...........................

[I have whittled my stock of the product to Grades 243 & 680........and 99.8% IPA as the degreaser]....and limit these to cylindrical [shaft in a hole....or bolted] applications

O
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 25, 2018, 01:44:34 AM
Hi And thanks for the info Derek, and i didn't know about those screw types.  The base is basically  finished and i will be making the standards with Brass plate, they will be built up as per a patten, i have painted the chequer plate but the detail is so small it is almost obliterated !!The drawings have been made to size and will be glued on the plate and then carefully cut out with tags on to slot int the webs and flanges..........
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 25, 2018, 01:58:02 AM
Great job on the base. And seeing that drawing of the uprights, wow!


 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 28, 2018, 02:09:16 AM
I am now cutting out the pieces to make the standards... I will cut out the shapes and solder them to the plates then file the insides to shape. When i use the dividers to mark out the circles before sawing them i keep the dividers still and revolve the brass plate ...doing this is easier to keep the dividers from skidding off the plate... Try it does work !!! The flanges are on both sides of the uprights so i have to make 4 off and 8 off the hole surrounds...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 28, 2018, 03:38:50 PM
More details of the standards that i have to make !! I will have to think about how i get the bolts into the casting at the foot ??!!
This is going to be fun !!! :thinking:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on November 28, 2018, 09:08:02 PM
Willy....it was quite common with Gothic style castings to place bolt holes in seemingly difficult places to get to :hammerbash:

Scaling from photographs can be a big guess, however my estimate is that the two foot bolts shown
[say 1" diameter x 12 ] ....[:facepalm: brain fade....8TPI] were drilled & fitted from under the subbase, and the center line of the 1/2" diameter tapered dowel was  such that it could be drilled from underneath and taper reamed from above  :facepalm:

Naturally no dowels on the inside of the legs, however I would expect to see one dowel in each foot [4 legs = 4 dowels]

This doweling process [of ensuring and maintaining correct alignment] carried on well until after WWII with Naval gun mounts.........  I have worked upon Vickers Twin 4.5" [MK8] Gun Mounts [manufactured in the UK] where each mount and ancillary components would have been secured by hundreds of fitted taper dowels

Another semi useless piece of information was that the actual [finished] protrusion of the head of each dowel was to a +/- dimension relative to the dowel diameter

The next piece of useless information is that post the Gun refit, the height of dowel protrusion was never [approve -checked] until after the mount had been recommissioned and test fired :Mad: [at sea]

Derek

[my edit of the 1" TPI from 12 .....corrected to 8]
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on November 28, 2018, 09:29:32 PM
Until you mentioned them, I hadn't even noticed the dowel pin!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on November 28, 2018, 09:51:09 PM
Interestingly, the [4+4] bolts that secure the Cross Head to the Standards are shown as machined from hex material as opposed to forged bolts heads

As there are also no dowels shown  [Image 1[7] from October 30th] confirms no external doweling ....... so from this.......the  bolts would suggest to be   Fitted Bolts [machined toleranced shank] and fitted to parallel reamed holes

So obviously a combination of bolting and securing alignment techniques used ..... 

Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 29, 2018, 03:00:40 AM
Hi Derek thanks for the info... the dowels are in the bottom of the standards but at the top there are rectangular wedges that align the entablature and then there is also a rectangular wedge that locates the bearing casting. All these parts are held securely in place but the crankshaft bearings are allowed some shimming to locate them. On other engines i have made most of the parts had some degree of adjustment , but suppose by the time this engine was made they had the means and equipment to machine everything with a greater degree of accuracy. I have started on the standards with cutting out them out leaving the tabs to locate them prior to soldering all the parts together...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on November 30, 2018, 03:07:14 AM
continuing with the parts ... they are sawn out filed up drilled and tapped to fit to the back plate ready to be soldered in place.....lots of measuring, checking and measuring again !! the parts will be drilled and filed to shape once everything is soldered in place ...the circular piece is turned up and the depth to file out is marked in place when on the lathe.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on November 30, 2018, 03:48:05 AM
Hi Willy, that is a very clever way to fabricate a complex profile.  I am following along, and looking forward to learning the next step.

MJM460
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 01, 2018, 02:45:55 AM
Hi MJM, Thanks for the comment, however i think this is the only way to fabricate it from bar stock , i suppose this is how they would have made the wooden patterns actually ,...so i have now made the side pieces ..the slots are cut out to match the tags to hold everything in place... still more to do however ........
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 01, 2018, 11:29:41 PM
the lower opening is made ..also with tags and slots...The chuck casing was used to bend the brass around...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on December 01, 2018, 11:47:24 PM
Just that part makes a big difference in the appearance, this is going to be great!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 03, 2018, 03:25:10 AM
Hi Chris , thanks yes i am quite pleased that it is all coming together.....I have been making the smaller web parts and I made some as per the drawing ,but. they didn't look right so i took the measurements from the job and made a patten and have made them again ...... they are made in pairs as they are on both sides of the standard. they are soldered together and sawn out and filed to shape the hole is drilled and tapped and as they are of a rounded profile the outsides are filed off and then attached to the rod and cleaned up with sand paper.  The parts are then positioned and superglued in place prior to drilling .....The pattern is arrowed on the last pic
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 04, 2018, 02:38:49 AM
the iron maiden has been made to hold all the parts in place ready to silver solder !!... Now i am making these standards like castings ,i am getting a collection of these clamps.... i have also made the bolted foot parts... `````also it is Medla time  just waiting for them to 'Blet' >>>>>>>>>>>
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on December 04, 2018, 02:45:45 AM
Slick setup for soldering. And to discipline shop elves...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 06, 2018, 02:27:05 AM
The standards have been soldered together and the inside details sawn out and filed up.. so this is the first one and the next will be tackled now i know how best do it .......I don't know about the lining out though.!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on December 06, 2018, 02:41:26 AM
Very good looking parts!  I hope the lean is just lens effect from the camera!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Zephyrin on December 06, 2018, 08:05:26 AM
Nice way to model complex parts, quite interesting to follow !
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: sco on December 06, 2018, 09:35:37 AM
The frames look great Willy - thanks for sharing the step by step process as it gives me lots of ideas.

Simon.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on December 06, 2018, 08:42:02 PM
That first Standard is superb  :ThumbsUp:....the fabrication process is faultless in outcome [internal draw filing for surface & accuracy of WEB thickness 10/10.......considering the hand cutting with the  :old: Fret Saw]

Have you used a combination of silver soldering the key tabs & structural blocks/pads & connections, then flowing soft solder for the seams?

I am sure you will be painting them in green with the fine pin striping, however if you have access to some powder blasting would render the brass surfaces more cast like and provide a perfect base for the primer paint

Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Craig DeShong on December 06, 2018, 11:54:22 PM
Willy- top notch work, you soldering is first class. I don't know how you do it, mine always turn out like... well, I'd rather not say  :facepalm:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 07, 2018, 12:43:13 AM
Hi all ...thanks for all the comments ,the lean is about 18 thou but will be adjusted with a file , the outer webs are silver soldered and the inner webs are first tinned and also the plate ,then screwed in position and the heat is reaplied and the parts then self solder , Also i have been soldering for 60 0dd years !!! There was a bit of distortion actually at the bottom as the screws in the outer fram were a bit tight and as the brass expands due to the heat there was a bit of movement going on....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 19, 2018, 04:00:27 PM
Back to work....have been busy with ex-mouse stuff  more work on the standards and colour coding my dies !! an the "actually make something" competition at the Norwich club !!!    My 2-6-0- rebuild of the 2-4-0 engines from Southwold !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 20, 2018, 02:13:24 AM
Ok the next standard taking shape ....and if you get the camera angle right the parts do sort of match!!!! also i have some blue prints if any body wants them...and the paper models were mentioned in the club reports in the Model Engineer magazine this month !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 21, 2018, 02:09:51 AM
Starting in the entablature this will be built up and will need to pin the parts with sellick pins to bring all the profiles to accurate dimensions...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on December 21, 2018, 02:16:44 AM
Some very fancy moulding on that frame, just love the ornamentation on the older machines. Great work as always.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: 10KPete on December 21, 2018, 02:44:15 AM
 :ThumbsUp:
 :popcorn:

Pete
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ramon on December 21, 2018, 01:36:27 PM
That's coming on well Willy  :ThumbsUp:

Can you check your PMs

Have a good Xmas - Tug
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 23, 2018, 02:17:21 AM
More work on the top mouldings  the entablature and freeze are made and the cornice is a mixture of cavetto and cyma recta these are styled on the Doric order of the Greek classical style... I can use a ball nose cutter for the cavetto but will have to make silver steel cutter for the Cyma Recta profile....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on December 23, 2018, 02:20:51 AM
Beautiful work. But isn't it really late there now? You guys claim I don't sleep...!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 23, 2018, 02:35:19 AM
Hi Chris, yes ...i work until about 3am and don't get up until about 11 am ...!! I am an owl rather than a lark and also i can keep an eye on the elves especially at this time of year !! Also there are no distractions from the phone etc etc ...also as i am quite gregarious  i can keep up with my cafe culture  >>>>>>>

Willy,
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ye-Ole Steam Dude on December 23, 2018, 03:59:03 AM
Hello Willy,

Looking really good.

Have a great day,
Thomas
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 28, 2018, 04:04:06 PM
More work on the entablature....  the cavetto moulding parts are machined from an up cycled brass electric socket cover !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on December 30, 2018, 02:13:09 AM
The next moulding is the top part that has a Cyma Recta profile.... i have been thinking about this for a few months now ,and i was going to make a silva steel cutter  !! however being a procrastinator i i suddenly thought I could use a corner rounding cutter  cutting quite deep into the Matl and then putting some filler into the cavetto part .... so had a quick try out and it seems to work ok...Also i dropped my nuts box on the floor and so they are all mixed up  :(  so i have made up this little tool to identify the nuts,,,as they are small hex and normal hex head they can be quite tedious to sort out....The tool is colour coded  2 4 6 8 10 ba and i will make another with the odd size threads !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 02, 2019, 02:56:17 AM
Ok... changed my mind again with the top mouldings...Rather than milling a Cyma Recta then filling with filler then filing to profile.. I have just milled a cavetto closer to the edge then filed the profile. Because the two top mouldings were made separately i could take them apart by unsoldering and profile the bottom part of the Cyma Recta with room to file it . The two parts were then resoldered using the two pins to keep them aligned . this does seem to be taking a long time but i am trying to get it right!!!  More photos of the parts.......When milling the profiles the vice is not quite accurately aligned with the bed so i have milled a piece of angle and this is used to align the parts that are bolted to a separate bar that is held in the mills vice....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on January 02, 2019, 03:13:08 AM
Though I wouldn't know a Cyma Recta from a Cmyk Shoebox, that is some beautiful shaping work!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 02, 2019, 03:29:47 AM

Though I wouldn't know a Cyma Recta from a Cmyk Shoebox, that is some beautiful shaping work!!
[/quote] Hi Chris these are are the Cyma Recta  and the Cyma Reversa..and another one that perhaps belongs on a different forum !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jasonb on January 02, 2019, 08:16:54 AM
More commonly known as Ogee and Roman Ogee

A single point flycutter is another option for mouldings and a bit easier to make than a round one plus they shift the metal a lot faster.

(https://www.model-engineer.co.uk/sites/7/images/member_albums/44290/818471.jpg)
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 02, 2019, 02:44:25 PM
[quote author=Jasonb
More commonly known as Ogee and Roman Ogee

A single point flycutter is another option for mouldings and a bit easier to make than a round one plus they shift the metal a lot faster

Hi Jason  , Yes ,and the woodworkers use different terms than the stone masons !!  As i make all these parts in situ so they all fit together i do tend to use the file a lot. Also there is the difficulty of holding these small parts whilst machining them. I do use the ball nose  and corner rounding end mills quite a lot but they are not cheap !! With a single point cutter do you have to reduce the speed of the bed a lot or increase the speed of the cutter ??  The Clarkson cutters have 2 cutting faces.  Thanks for the tips and wishing you a productive and prosperous new year.....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jasonb on January 02, 2019, 03:05:53 PM
Feed needs to be less as you only get one cut per rev but unlike a ball ended cutter where the centre of the bit is hardly moving the flycutter has a much faster actual cutting speed so you can go quite fast. the actual width of the profile tends to determine what you can cut as the wider it is the more load on the tool.

I also grind the corners of blunt end mills as again they move faster than the dead spot of bull nose cutters and you can quickly make up what radius you need, don't have to be too special as the 4 cutting edges will average out any shortcomings in your freehand grinder use.

As you say file can still be needed for the final blnding especially if you make up a larger profile with a series of stepped cuts like this one I did the other day.

(https://img.photobucket.com/albums/v156/jasonballamy/Engineering/Woody/20181218_144523_zpsrqq2cia6.jpg)

(http://img.photobucket.com/albums/v156/jasonballamy/Engineering/Woody/20181218_154614_zpsbuxfinta.jpg)
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 02, 2019, 06:01:16 PM
Hi Jason, thanks for more clarity on this..I think your profile shown would be called  Cyma Reversa   or the other name given ?!!! or is it because of the difficulty making it  ?  one wrong adjustment of the feeds would be a right cock up ? :o ;) i suppose a better profile for a ball ended cutter would be the same as a slot drill ..? as there is no cutting taking place at the centre with the ball ended ones with equal flute design ?!!!  alternatively a larger diameter end mill with the corners just rounded off would be better >>>>
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 04, 2019, 02:21:20 AM
slowly getting there .. using my analogue DRO  ...direct retinal observation ...so i now need to finish the mouldings by inserting the bridging piece from the front to the back.....and then the motion support part of the entablature I have been looking at the cure times for the Loctite 638 that i have used to glue the parts together prior to drilling the holes for pining and bolting , and notice that the curves for % strength increases beyond 100 % ??? !!!
Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on January 04, 2019, 02:35:51 AM
Very well done. Looking ahead from that one picture, the governor is a pretty design too.


 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Admiral_dk on January 04, 2019, 11:31:33 AM
Nice work Willy  :ThumbsUp:

Quote
and notice that the curves for % strength increases beyond 100 % ??? !!!

A wild guess - it might mean that it can get stronger than they promise if cured at that temperature and time  :noidea:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 04, 2019, 05:35:13 PM
More photos of what i have to do and have done..... on the original you look up at the mouldings and can can see them !  but on the model you will look down and miss most of the intricacies ! :(............Also the new mouldings for the infill on the crank rod side...
Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on January 04, 2019, 05:38:11 PM
You will need to find an eye-level shelf to show off all the mouldings well!

Are you going to do all the painted lines too?
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 05, 2019, 02:52:07 AM
Hi Chris , some of those lines will be about 5 thou thick in scale size !!!!  I have now attached the rear part that is just a flat piece of bar stock so quite easy . When i screw the pieces together rather than drilling a clearance hole and spotting through then tapping one piece, ! firmly grip the pieces together and tap them all. This holds them all together. I have cut a slot in the clamps so the individual parts are really firmly gripped.  the next bit is accurately fitting the other moulding part.!!!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on January 05, 2019, 02:59:14 AM
Very nice!!


For the lines, maybe do them with a fine line paint pen or pigmented ink?
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 06, 2019, 02:13:57 AM
Ok... the top part of the standards is now finished  sans JB weld  etc and the next part is the Bearings assy...  Hi Chris ...i may just paint it green ....just in case any body mistakes the model for the full size one .. :D :D

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 12, 2019, 03:53:11 PM
I have been continuing with the Beam bearing but have a new computer and can't seen to get the photos to come up ??!! will have to wait til I can see my computer person to make the files smaller !!

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 12, 2019, 04:01:41 PM
Trying again.......ok seems to be working...have made the two uprights and need to fill in with the bearing housing .....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 13, 2019, 03:09:14 AM
More work on the bearing block ....I am trying out with this one just to see how it is best to do it .........The block is filed out to receive the bearing holder and silver soldered in place...the cap is built up from bar and to save heat I have sawn slots in the bar to stop the heat travelling too much. The cap is then filed to see how it fits.  The next ones will be made properly now I know the best way to do it.  so this will go in the rejected parts box !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 13, 2019, 03:11:10 AM
 A couple more pics......

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on January 13, 2019, 03:26:35 AM
Wow, very well done! Now you need to make a second one just like it?


 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on January 25, 2019, 02:30:43 PM
Ok ,the top beam bearings are almost done and are in place.....They still need tidying up though..also the first trial one .......
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on February 05, 2019, 12:58:21 PM
i have been poorly  for a few weeks and have ended up up in hospital with pneumonia..so now lathe work for a few weeks
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on February 05, 2019, 01:08:55 PM
Hope you get better soon!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: sco on February 05, 2019, 04:44:48 PM
Hey Willy - get well soon!

Simon.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: b.lindsey on February 05, 2019, 05:13:03 PM
Sorry to hear Willy. Hope you are up and about again soon.

Bill
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steamer on February 05, 2019, 05:28:06 PM
Always like to put a face with a name but never from a hospital bed!   Get well soon!

Dave
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: 10KPete on February 05, 2019, 06:37:37 PM
Willy, those are the wrong sort of machine to be surrounded by!

Get well soon, and take care of yourself. :ThumbsUp:

Pete
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: scc on February 05, 2019, 07:13:29 PM
Hi Willy,    I hope you have a quick and complete recovery.    Best Wishes    Terry
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Jo on February 05, 2019, 07:34:11 PM
I thought cameras were not allowed in hospital  :noidea:

Do what they tell you Willy and you'll be back making swarf sooner than you think  ;)

Jo
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on February 05, 2019, 08:49:43 PM
I was thinking you had been a bit quiet lately, Willy.

Sorry to hear that you have not been well.  Get well soon.

MJM460

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on February 05, 2019, 09:29:10 PM
thanks all....am really quite poorly and also its quite boring and i have been hallucinating about engines !!!!

 
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Admiral_dk on February 05, 2019, 10:32:02 PM
Hospitals are generally no fun (except perhaps for the staff), so we all hope you soon will be able to leave there in good health again.

Best wishes

Per
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Dave Otto on February 05, 2019, 10:47:51 PM
Sorry to hear, get well soon, we need you here building engines!

Dave
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Don1966 on February 05, 2019, 11:06:00 PM
Willy sorry to hear your under the weather just got out the hospital myself for gal bladder surgery it is no fun. Get well soon bud!


 :DrinkPint:
Don
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Kim on February 05, 2019, 11:19:36 PM
Sorry to hear you're laid up in the hospital, Willy.  Take care and get better as fast as you can.  Your shop is missing you!  :-\
Kim
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on February 06, 2019, 05:17:28 AM
Goodness Willy....

Hospital is only for people who are really crook......  take your medicine  :stir:  like a good boy  ......looking forward to your return to the workshop  :killcomputer:...............

Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ramon on February 06, 2019, 08:07:40 AM
'Bloody hell' Willy, just seen this  :o- just you make sure you keep those nurse on their toes . Line from 'Guns of Navarone' springs to mind - "Keep asking them for bed pans, that sort of stuff"  :Lol:

Hope you make a good recovery and are back home soon :ThumbsUp: :ThumbsUp:

Regards - Tug
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on February 06, 2019, 08:16:43 AM
as i am in the High Dependency Unit i have  a personal  nurse that caters for my every whim !!  but they won't peel my grapes  !!! they keep pushing/squeezing/shoving things into me....but i suppose that is Karma!!!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ramon on February 06, 2019, 08:43:01 AM
Good to see you are well enough to reply Willy, jest you make sure you keep her on her toes now  ;)

'Hang you on in there' and don't do anything that'll take your breath away ;D

Get well soon Willy

All the best - Tug
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Stuart on February 06, 2019, 10:18:22 AM
Keep your pecker up willy opps that donít sound right   ::)

Anyway get well soon

Stuart

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on February 08, 2019, 02:13:05 PM
Hey Willy - get well soon!

Simon     Hi Simon, thanks for the booklet ..it is much appreciated, and introduces some culture into the ward
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: sco on February 08, 2019, 03:28:14 PM
Hey Willy - get well soon!

Simon     Hi Simon, thanks for the booklet ..it is much appreciated, and introduces some culture into the ward

Great to hear that it got to you ok Willy.  Thought it might give you some more hallucination inspiration!

Simon.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Craig DeShong on February 14, 2019, 01:52:45 PM
Hate to hear you're laid-up.  Get well soon, I want to see this beam engine finished and running!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: JC54 on February 14, 2019, 08:11:48 PM
Get well soon Willy. I was in the same position a year ago. Now well into recovery the steroids they gave me gave me nearly every side effect in the book. Finished them at last,,thank goodness. Am back in my shop making scrap out of perfectly good bar stock :thinking: :headscratch: One bright side, I gave up smoking, the money I save all goes into workshop :cartwheel:  :old: :DrinkPint:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on February 19, 2019, 01:20:12 AM
Hi, I am now out of hospital but am feeling quite weak and have been told it will be 6 weeks before i am fully recovered ,  So will be spending my time drawing the parts and thinking about stuff.....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on February 19, 2019, 01:39:33 AM
Glad you are recovering, take it easy till you get your strength back. 
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: 10KPete on February 19, 2019, 02:01:05 AM
Hang in there, Willy! We're pulling for you.

Pete
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on February 19, 2019, 03:40:16 AM
Hi Willy, good to hear that you are home.  You will miss the nurses, but itís never good to need to know them professionally.

Thinking about stuff, eh?  Obviously more thermodynamics.  But you might be able to do some filing indoors, or laying out parts ready for the first day out to the shop.

Hope that you are back to 100% soon.

MJM460
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on February 20, 2019, 05:00:23 PM
Thanks for all the replies ............

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on February 22, 2019, 11:48:24 PM
I was tidying up the WKSP ready to start work and i dropped my box of taps....however because they are all colour coded it was quite quick to sort them out and now they are all ensconced back in their respective spaces...!! I use the resister colour code cable idents....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Kim on February 23, 2019, 06:42:44 AM
Color coding your taps is a pretty spiffy idea!.  Do you only code the major diameter? Or do you also code the thread spacing too?
Kim
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: sco on February 23, 2019, 09:45:09 AM
Glad to see you back in the workshop Willy but take it easy till you are back to full strength.

Simon.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on February 23, 2019, 04:24:14 PM
Color coding your taps is a pretty spiffy idea!.  Do you only code the major diameter? Or do you also code the thread spacing too?
Kim

Hi Kim, the colour coding is just on the BA Number taps  from 0BA to 12BA.....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ramon on February 23, 2019, 07:57:50 PM
Good to hear you're feeling up to some workshop time Willy  :ThumbsUp:
Take it steady though  :)

Tug
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on March 07, 2019, 01:35:50 AM
Back at work but taking it easy.......starting on the beam  ... this is of wrought iron built up construction rather than cast, so quiet easy to fabricate......I am making a template to begin with..........
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on March 07, 2019, 02:06:56 AM
Must be good to get back into the shop again, just dont push it too fast yet. Welcome back!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on March 07, 2019, 04:05:38 PM
Must be good to get back into the shop again, just dont push it too fast yet. Welcome back!

Hi Chris, thanks and am spending time actually studying the photos and finding differences in the drawings and the engine... It is quite important to have photos from all the angles ...x  y  z   as have noticed that some of the profiles are convex rather than concave !! When you look at curves at an angle it is possible to see them incorrectly !!
Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on March 07, 2019, 04:13:52 PM
Willy, I have noticed the same thing on my models, I got odd looks when telling them I needed to go take MORE pictures of the Lombard and Marion machines - "Aren't those other thousand enough??"  me: "Nope! Still more details!"
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on March 20, 2019, 01:32:18 AM
Hi All, am back in the WKSP and have been continuing with the beam after finding some of my drawings are actually wrong !!! .. I have marked out the centres and have filed the ends using hardened silver steel filing buttons...the next job was to file the curves. This is facilitated by putting the beam parts on an illuminated table from underneath. you can see where the flat parts are by putting the beam part against a straight edge. When it is filed to a perfect curve you only see the smallest area of contact with the straight edge. !!! i have also made the inserts that separate the two parts of the beam. Also a visitor to Norwich model engineers  , Eaton Park site .......
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on March 20, 2019, 02:19:09 AM
Glad you are able to get back into the playshop again! Hmmm... Playshop, I like that...


Anyway, neat trick with the light table! Is that from your instrument making days? Great way to get a fair curve.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on March 20, 2019, 02:48:06 AM
Hi Chris, ..yes the way violins are made is to have a perfect curve from the top to the bottom and also from side to side ... when this is done the violin has the ability to have great strength and like an egg is quite resistant to caving in when the strings exert the pressure through the bridge ... This enables the instrument to vibrate quite freely and produce a good tone. Also when i made instruments i carved the tops and bottom at night and used a single
 angle poise lamp to show up the compound curves when held obliquely to the instrument ... You can see this when holding the instrument with the back towards you and slowly moving it about with just the lamp in front of the instrument......you can also feel for bumps and dips by pushing the palm of you hand over the curved contours....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on March 20, 2019, 09:34:30 AM
Hi Willy, great to see you back in the shop.

I donít think the light board back light trick would help me, I would still be able to create new flats, but I would be able to see them better.  I think apart from making violins for practice, you clearly have a great natural talent.

As an alternative, I wonder if it would be possible to make a large version of one of those ball turning devices to move the beam past the milling cutter.  It might need the pivot across the other side of the shop to get the right radius.

MJM460


Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on March 21, 2019, 02:22:54 AM
Hi  MJM  et al ,  I think my  "natural talent" has more to do with being a bit lazy and procastination  .....A bit lazy as i don't want to make the parts several times  !! and procrastination ..i spend quite a lot of time just thinking about how to make the parts !! so, a bit more work on the beam ....some of the spacers are bolted in place and some are riveted   so ...more drilling etc...

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on March 28, 2019, 01:52:03 AM
so more work on the beam the parts have been made and some of them are bolted in place and the others are fixed in place with what seems to be rivets although there is no indication of them in the wrought iron finished beam assembly ?  the con rod end is attached by soft soldering the parts in place. this was done by tinning the parts and then holding them in place by attaching temporarily with a removable brass bush that is a tight fit. when they are sweated together the bush is removed.The centre parts for the main bearing proved to be a bit of an experiment with fitting together to get everything lined up so i will have to fill the superfluous holes with JB Weld.......
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on March 31, 2019, 02:29:46 AM
The beam is now assembled with countersunk screws and filler applied  the bores are broached and the axle fitted...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 07, 2019, 03:14:18 AM
A bit more work on the main bearings.. the bearings have this detail on the top cap that is a small concave shape all the way round the bearing profile. this is done by milling the part with a ball cutter and filing the round parts half way round... the parts do need tidying up but as it is all hand filing it dosent look too good    so   now i can see how it looks i may make a new pair. the assembly is silver soldered together so will need some cleaning up.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Admiral_dk on April 07, 2019, 08:59:41 PM
Is progress on the build equal to you getting better Willy ?
If so - it is nice to see / hear  :cheers:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 08, 2019, 03:52:15 AM
Hi Admiral.... Thanks for asking about that... actually i am finding it quite hard to get back to normal and i keep making mistakes... Normally i just get on and do the work without compromise but am now feeling it a bit tedious to properly measure things and clamp things down etc etc .When i made the beam i marked it all out ,but when i finished it and assembled it to the engine , it looked too big...so when i measured it again it was .15" too wide in the middle...so i shall have to file it down...to do this properly i shall have to make a piece of metal to fit between the two sides so i can hold it in the vice.  I am making the bearing block and this is a built up item...and again i need to be really careful as i have noticed that when i use my hacksaw it pulls over to the right...so all i need to do is change the blade !!  also i am getting behind with the allotment as i missed out on 6 weeks work .. And when i was in hospital i left my house in a bit of a state because i was falling over and my friends decided to tidy it up so the "authorities" wouldn't come round and see it , then put me in a home !! in so doing they chucked lots of my stuff away including sheets of  perspex and other bits of wood and SRBP....they also tidied up my books and tools and things so i have been trying to find them !!  anyway when i came to leave the hospital i just got a taxi so nobody would know !!. So the doctor may be correct in saying it will take about 6 months to get back 100%..............So i do need to take things a bit slower.......

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Admiral_dk on April 08, 2019, 09:49:17 PM
I hear you - progress is not always as quick as we wish  :old:  :censored:

In my own case many years ago - I can say, that as long as I felt constantly (slow) progress, I could live with it - especially as the alternatives, where death, being a wegie or confined to an electric wheelchair .....

Nice gesture from your friends - annoying side effects  :embarassed:  ::)

Best wishes

Per
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 10, 2019, 01:06:23 AM
continuing with the bearing .....the brasses are soft soldered together prior to machining  than fitted, I have been getting some advice on using my new camera so the last photo is getting a bit better.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on April 10, 2019, 12:40:51 PM
Hi Willy, good to see you well enough to make progress again.  All progress is good but best when it is forward.

Perhaps getting the shop back to how you like it should take precedence on the not so good days.

Those are interesting bearing chairs.  Is the design something to do with adjustments for wear?

MJM460

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 11, 2019, 02:50:29 AM
Hi MJM,  This is basically a normal bearing and the adjustment comes from the top bolts...the side pieces of brass are just part of the casting and will disappear when the assembly is painted.  Making the other bearing showing the sequence of manufacture....  The side holes are drilled the same diameter as the rod and when the side pieces are sawn off and filed to size the finished dimension of the holes are slightly larger than the rod so the rod can slide in and be held quite firmly in place when soldered in place..The small concave detail can be seen clearly and is milled out with a round nose mill .
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on April 11, 2019, 03:04:34 AM
Ooh, clever way to make that shape!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 12, 2019, 02:39:41 AM
more work on the second bearing ........silver soldering the round parts in place, then sawing the cap off the base using the hardened steel vice jaws as a template parts are drilled and filed to fit....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ramon on April 12, 2019, 08:54:28 AM
Hi Willy - I've been computer-less for a few days :o.

It's good to see you back in your workshop  :ThumbsUp: - hope you're making a good recovery. Take your time and don't overdo it on that allotment  :D

All the best - Tug
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 14, 2019, 01:33:05 AM
Hi All, The bearings are now completed  and just need tidying up etc etc....Thanks tug and i have had a recent X-ray and the doctor has told me that it was quite reassuring and shows substantial improvement in my condition !!! so i have no excuse for further procrastination ....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on April 14, 2019, 01:51:15 AM
Glad you are doing better, and model is looking great!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: scc on April 14, 2019, 10:54:40 AM
Ooh, clever way to make that shape!
[/quote

Totally agree.   I would never have thought of that :noidea:    Welcome back Willy.

Best Wishes        Terry]
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 17, 2019, 01:51:24 AM
the crank is made next and first is turned roughly to size... the next job will be to return to the lathe on mandrels to bring to size....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 19, 2019, 02:51:41 AM
I have now made the mandrells for shaping the crank. I was going to make expanding mandrels but decided to use loctite and then use the vacant hole to rest against one of the chuck jaws. this worked fine and just needed some heat to free them... i now need to make some hardened filing buttons to finish the profiles...I was getting some vibration on the raised parts but cancelled this by gripping  the chuck with my special health and safety hand !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 20, 2019, 01:12:54 AM
I have made some new filling buttons and have sort of filed the crank to shape....this will be finished later on when the rest of the engine is made
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Roger B on April 20, 2019, 07:51:38 AM
Glad to hear you are recovering  :ThumbsUp:  :ThumbsUp: Splendid fabrication as ever  :praise2:  :praise2: I like the skills crossover from violin making  :)
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: J.L. on April 20, 2019, 12:32:32 PM
Hello Willy,

It must be nice to get back into the shop after an illness. Pneumonia! It sure can knock you down. You must have been itching at the bit to be back machining parts.

John
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: b.lindsey on April 20, 2019, 02:24:10 PM
Yes, good to see you back and hope you are improving steadily Willy.

Bill
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 24, 2019, 02:07:16 AM
Hi all, thanks for the comments....I have made a building base for the engine and have a temporary flywheel and cylinder black attached.....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Don1966 on April 24, 2019, 02:22:59 AM
Good to see you back Willy and some great fabrication work. Always a pleasure to follow along..... :praise2:



 :cheers:
Don
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 28, 2019, 02:05:41 AM
Starting on the Conrod and first calculating the actual length it should be. This rod is made from steel rather than cast and the giveaway is that it does not have flutes because it has more strength in compression and tension. I am making it from square stock using a SC 4 jaw chuck . Instead of turning it between centres i torn up the ends and a bronze bush to fit . The bronze bush is then held in the chuck in the tailstock. I do this as i think holds the rod more stably than have it "pivoting " on a centre. The centers of the rod are drilled in the stock to give a reference for the bearings. ....I also have this old Tyzack 10" file  that has only one set of teeth and has curved edges...i don't know if this has a particular function though ?? Also... I saw the photo of Chris ,so here is one of me doing   'Angel cherry blossom wings'   :LittleAngel:

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on April 28, 2019, 02:12:14 AM
Beautiful!




Oh, and engine looks good too!   :lolb:




I like the actual measurement, some places it makes more sense than just taking the plan size, which ignores tolerances building up.   :ThumbsUp:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on April 30, 2019, 02:28:35 AM
Ok, the con rod  is .25" X .25" and is filed down to  .222 X .137". The hole is then drilled which is also.222" and this is achieved by using two 3/16" square shims to protect the vice. the outer part of the bearing block is drilled sawn and filed to shape.......

Hi Chris , this is the blossom actually from just this one tree......
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: sco on April 30, 2019, 09:33:44 AM
Blossom Angel!  Great picture Willy :-)

Simon.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on May 03, 2019, 02:55:25 AM
more progress on the con rod and the actual correct cotters will be made later as they have the nut and bolt type of adjustment rather than the plain ones ...when the filing was undertaken with the straps ,the drill was used to size the slot and also to hold the part in the vice to file the stock for the other dimensions.....

Willy.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on May 27, 2019, 02:31:14 AM
I am now making the 2 bearing blocks for the valve levers..I have made some drawings to work from...these were worked out from the photos and the few measurements i took....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on May 27, 2019, 02:38:45 AM
Very nice - I just love machines from that era, all the little decorative flutings and beading really look wonderful (can be tricky to model, but its a good kind of challenge).
 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on May 30, 2019, 02:39:20 AM
Hi Chris, yes it quite challenging making some of these parts !! So more work with the bearing blocks....but still more to do!!


Willy...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on May 30, 2019, 02:54:25 AM
I hadn't noticed before that there are two shafts and links in the valve bearing block. What does the second one do? Never seen that before.    :headscratch:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on May 30, 2019, 01:37:35 PM
Hi Chris , The two valve shafts are bart of the Meyer Valve gear . One shaft operates the main slide valve and the other is adjustable to limit or extend the cut off to improve efficiency .....this is achieved with this valve...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 04, 2019, 02:21:03 AM
Hi, I have been looking at the cylinder block and will be making a fabrication rather than making and using a casting. I have been looking a Jasonb's build on this site and have you d it quite helpful. I am making a perspex maquette to see how it will all go together. One thing i am a bit confused about is how the actual port face is made as there is no way that the face can be scraped to make a perfectly flat surface.?? It can be milled to dimension but to get an absolutely optically flat and smooth surface might be quite difficult.  so here are some drawings and photos of the work so far....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: sco on June 04, 2019, 08:04:23 AM
Nice work Willy, where do you salvage those great lumps of Perspex from though?

Simon.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on June 04, 2019, 01:26:17 PM
I see what you mean about getting the valve face flat and smooth, with the angled walls around it you can't just use a large lapping plate. I ran into the same issue looking at the Stanley engine design, which I had to modify to make the walls a separate piece. Could you make the valve face an insert, prepare it outside then attach it into the steam chest somehow? It would need some sort of gasket material for a seal around the ports, maybe bed it in JB Weld or something similar?
 :thinking:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 04, 2019, 11:33:31 PM
Hi Simon, here in Norridge we have lots of skips that litter the streets with goodies  ,,!! including silver spoons in the posh areas and electric cable, brass, copper , aluminium, stainless steel , etc etc etc ..you have to be quick though as if you leave it 5 mins its gone !!! I do have a few hidden places where i can leave stuff to fetch later !!!
Hi ,Chris ,I had thought of doing just that with a separate plate and will have to see what happens when i get in the workshop !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 06, 2019, 02:54:32 AM
More work on the perspex maquette just to see how it will all go together... Also some of my perspex including some ready made bits !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 09, 2019, 02:53:55 AM
still more work on the maquette...........ok although i have followed the dimensions that i took ,i have found that i will have to change some to actually be able to bolt the cylinder down to the base plate and also enlarge the cylinder cap also to work. unfortunately i can't see under the cladding and also inside the steam chest !!   the steam chest cover is in two parts so as to enable the meyer valve gear to be adjusted whilst the operating wheels actually attached to it.... So Photos....

willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 11, 2019, 02:43:08 AM
I have now been setting up the Perspex model with the motion work and piston to check that everything is working ok with all the clearances correct.  Although i initially measured the cylinder i thought i might need more clearance at the top and bottom and this has proved to be fortuitous . ...

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Don1966 on June 12, 2019, 01:27:39 AM
Nice work Willy just catching up on your thread love the entablature. ...... :ThumbsUp:


 :cheers:
Don
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on June 12, 2019, 01:30:46 AM
The perspex mockups have worked great. Excellent progress.


 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 12, 2019, 02:56:46 AM
Hi all, thanks for the comments ...and.. now the perspex has been sort of made ,i am now confident to continue with the real one.. It has been drawn up and modified a few times with reference to the photographs . I have had to change a few things to accommodate the available nuts and bolts etc etc. I have made the basic cylinder and now have to make all the parts that will be silver soldered in place....the top of the cylinder block has extra dimensions that the top entablature is connected too via two columns. the cap will be made by soldering a large brass slab to a piece of stout PCB. this is bolted onto the faceplate and will be turned on the lathe. A few pics of the drawings etc etc..
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 12, 2019, 03:09:47 AM
A few more pics of the entablature support columns etc etc...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on June 12, 2019, 07:48:43 AM
Hi Willy, coming on well as always.  That is what I call real 3-D modelling as opposed to all the virtual stuff that is around.  We used to build complete oil refineries and similar plants that way, every pipe, valve , pump, compressor and pressure vessel, made in plastic and glued together.  Nothing quite so impressive as a miniature oil refinery in a very large room.  It replaces the drawings that were used previous to that.

Do you have a valve drawing showing how that second layer of the valve works with the second eccentric and adjusting handwheel?

What was the idea behind the pcb?

MJM460

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 13, 2019, 02:48:40 AM
So more work on the cylinder parts and the cylinder part of the top has the extended parts for the entablature columns. Hi MJM, the PCB is used to skim the plate to thickness without having to clamp it somehow... watch and clock makers use the same technique but use shellack that is melted on the faceplate. I would love to see one of those perspex models you talked about. Were all the valves and things made in house or did you buy them from a different company ? if you have any photos that would be great  !! At the moment i cannot see inside the steam chest so i don't know exactly how it is fitted up... i may just use the ordinary valve and just make the outside parts showing ?! I have seen a few drawings of these devices but they are quite complicated . so we shall see what happens... i could put a small photo inside the steam chest in case someone at a future date takes it apart !!!

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 14, 2019, 02:36:23 AM
starting on the valve chest...starting of with a 1" square block... removing the metal for the join to the cylinder with a 1" reamer......Quite a long job actually but a very accurate way of doing it... the block with most of it being cut away ready to silver solder. Also some more pics of the Meyer valve . the two moving valves need to be kept in close proximity , so buckles will have to be used .and also as the valve with the left and right handed parts need to be quite tight and the shaft is kept in one position by the glands ,this will also need some thinking about.....also very accurate machining and possibly a spring too keep everything tight. Things are taking a long time but i keep needing to think about it and also continually measure  each dimension...more than twice !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on June 14, 2019, 02:58:07 AM
That is a use for a reamer that I have not seen before, like a very long end mill. Is that commonly done? Shallow slow cutting advance?  The support at the tip must help a lot. Well done!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 14, 2019, 03:27:25 AM
hi Chris, i suppose its lateral thinking ...or thinking outside the box , or perhaps being lazy ??!!!  The component was quite long   about 3 inches  and as the reamer is about 6 inches long ,one could machine this length !!  if needed ,and because the reamer is held at both ends there is not too much distortion. Also as i live in Norfolk it is customary to ...dew you different bor  :lolb:

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 15, 2019, 03:00:12 AM
Hi All  i have sawn off the steam chest part from the block that attaches to the cylinder and have started to machine it . It is attached with 22 10 BA studs and nuts so lots of accurate marking out and drilling !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on June 15, 2019, 03:24:10 AM
Coming together well!
 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on June 15, 2019, 11:14:29 AM
Hi Willy, Using the pcb seems like a novel way to hold that plate for skimming.  I guess I am surprised that the pcb survived the heating necessary to solder that large mass.  You must have a deft hand for the job.  I have managed to lift tracks on circuit boards by being a bit heavy handed with the iron.

So nothing to do with reducing the heat loss from the cylinder to the base plate.

The designers built the plastic models of our plants, but I believe the scale valves were bought in from the plastics supplier.  They also made scale formed ends for the pressure vessels, but I think our modellers turned wood shapes to build up representations of my compressors.  My photos are pre digital, so I will have to look some out for you.  Sending you a pm.

Thanks for the drawings of that valve gear.  Not sure I have it totally sorted on the second layer which is used to adjust the cutoff seems to be adjustable while the valve is being moved by the eccentric.

The layer against the cylinder port face will probably move a little so it is held against the port face in normal way, but you may need a spring for the second layer if the steam pressure drop is not enough to hold it in place.  It will be interesting to see how you go.

The rest of the model is going beautifully.  But that valve will be your masterpiece.

MJM460

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ramon on June 15, 2019, 11:17:55 AM
Good to see you back on form Willy - keep it going  :ThumbsUp:

Not long now for ME day

Tug.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 17, 2019, 02:06:11 AM
Hi all , thinking about soldering the cylinder block up ... i have been sculpting the components and using small screws to hold the parts together. the exhaust port looks a bit tricky as the part curves around the cylinder and would have been cast with a core inside it ?? so i will have to make this part quite accurately and mill out the channel before it is silver soldered in place. I will need to be very careful to do this as i won't be able to adjust the porting once it is in place !!   Thanks  Tug and i am getting back into doing stuff again ... And MJM, the PCB is quite thick and has a fibre glass backing .. I heated the brass slab up first and used the latent heat to soft solder it to the fluxed PCB with just a small amount of heat to attach itself.  Still not too sure about the Meyer set up yet ...other people have not included it inside the steam chest as it won't be seen !!...

willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 18, 2019, 02:30:04 AM
I have now milled out the steam chest and will need to work out the spacings and dimensions for the ports  i have not silver soldered the parts together yet as i need to do that when all the components are finished. To avoid any movement of the parts whilst milling i have firmly held the steam chest part to the cylinder block with a jubilee clip....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 20, 2019, 01:19:26 AM
Hi All, its my Birthday today and i spent it at Bressingham steam engine museum !! so what better way to spend your B-day than sitting in a beam engine eating B-day cake !!!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on June 20, 2019, 01:39:43 AM
Now thats a happy steam guy! You and the model look great with the engine, happy birthday!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ye-Ole Steam Dude on June 20, 2019, 02:05:57 AM
Hello Willy,

That is a beautiful machine in your photos, and of course you do add to that :facepalm:

Happy Birthday.

Thomas
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Don1966 on June 20, 2019, 02:36:02 AM
Happy birthday Willy enjoy!


 :cheers:
Don
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Kim on June 20, 2019, 05:46:46 AM
Happy Birthday, Willy!
Kim
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on June 20, 2019, 08:20:21 AM
Yes.....best wishes :cheers: from Australia Willy......where did you get your own cap?  :Jester:

Always reading your postings here on this thread and the questions on the Thermo - bits & pieces thread with our teacher MJM

Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Ramon on June 20, 2019, 08:30:54 AM
Happy Birthday Willy - I hope you didn't leave too many crumbs about :D

Here's to many more of them  :ThumbsUp: :ThumbsUp:

Tug
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on June 20, 2019, 12:23:34 PM
Hi Willy, glad to see you enjoying another birthday, and best wishes from me too.  A great way to celebrate at the museum.

I was never a teacher, Derek, definitely not cut out for that, but I am glad you enjoyed the thread.  It was rather fun, tag teaming with Willy, who always seemed to have another great question. 

MJM460

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on June 20, 2019, 01:26:46 PM
Hi All thanks for all the comments.............
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Admiral_dk on June 20, 2019, 08:57:14 PM
Happy birthday Willy - nice to see you enjoying life again  :cheers:

Best wishes

Per
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 04, 2019, 11:31:42 PM
Back to work after short break....The Norfolk Organic Group at the royal Norfolk Show ..being a bit ill with backpain and asthma... So I have decided on the dimensions of the steam ports and slide valve.   I have drawn numerous times the way it will all work and have decided to take the plunge and just do it....the steam chest and downpipe is milled out and before I silver solder the part to the cylinder I will mill a slot so I don't have to drill through to reach the ports....I have made a drawing of the mill movement to get the correct spacing ..I am using a 3;32nd milling cutter so have to convert to decimal inches then to mm as the mill is a metric model. As the milling cutter is quite short I have to drill out the ports to reach the cylinder walls... I have also found this little 7/8th clubman series pressure gauge ,minus the pointer, in a junk shop but cannot find out anything about it ...american perhaps ??  any ideas....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 05, 2019, 02:21:40 AM
more work on the steam chest... the ports have been opened up and the slots milled out for the channels to the top and bottom of the cylinder. 
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on July 05, 2019, 07:40:26 AM
Going well Willy, good to see you able to get back to it.

MJM460

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 07, 2019, 01:24:32 AM
I have now silver soldered all the cylinder parts together .. The curved exhaust part has been made and the port has been milled out and then cleaned up with a curved file this would have been cast in on the original and would have been nigh on impossible to drill out. I now have to see if there are any leaks 
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on July 07, 2019, 01:57:39 AM
Great work Willy! Thats quite an intricate part.


 :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: scc on July 07, 2019, 02:27:05 PM
Belated birthday wishes Willy :cheers:       Terry
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 08, 2019, 12:53:37 AM
Hi Chris and Terry, thanks for the replies... yes it is quite a complicated part and one has to rely on ones experience and hope the laws about capillary action to work !! I have now capped the exhaust pot hole and filled the port with water and so far there is no leakage into the other ports ..... also the Norwich Society has had their 60 year anniversary of the raised track at Eaton Park and they had the original fare price for the rides of 3 Pence  !!!So the chap in the kiosk had a bucket full of 1 p pieces....a couple of pics of the static display with Ivans new Fowler showman's engine and various stationery engines........ Hopefully in the morning the water level will be the same in the exhaust port
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 11, 2019, 03:02:30 AM
more work on the steam chest...milling out the cavity and starting on the cover  as the steam chest is at an angle i have to make extra bits to mount the part on the mill
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 16, 2019, 02:43:08 AM
More work on the steam chest attaching it to a block to hold it in the milling vice.....then cutting out the slots to receive the blocks to bolt the  simpling  adjusting valve assy to...
Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 20, 2019, 02:37:41 AM
Back to work after bouts of Hayfever and  allotmenteering,  there is a norwich in bloom event and i have entered the best allotment category...!! I have been making more parts for the cylinder block, namely the Meyer adjusting assy...getting a bit like clock/watch making...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 21, 2019, 02:37:16 AM
more progress with the front web made using a former  and silver soldered in position and the part attached with 12BA screws...lots of tidying up to do though....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 25, 2019, 02:14:38 AM
A bit more work for the Meyer valve gear ... the weather is really hot at the moment  so not much workshop time this week..also i have taken the pressure gauge apart and  it looks a bit homemade inside !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on July 25, 2019, 02:35:50 AM
 :popcorn:   great work, watching along!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on July 25, 2019, 09:52:52 PM
Willy.......with that kink  :hammerbash: in the Bourden tube, I don't think the gauge would display an accurate pressure reading.......maybe best for the scrap bin...... Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Zephyrin on July 26, 2019, 08:46:17 AM
The Bourdon tube, wow, not a simple part to make !
I did many attempts in the past, and succeeded only once!

I read a protocol in a thread here that looks great
http://www.modelenginemaker.com/index.php/topic,3650.150.html
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 26, 2019, 03:26:20 PM
Hi Chris ,Derek and Zephrin, thanks for the comments.. I did try to remove the Bourdon tube part from the case but it would not come out because the kinked tube was too large... shame really as the graphics is really quite nice.... I have not tried the gauge as the needle is missing..so just a  "sold as seen "  item that might be attached to a bit of steam punk accoutrements !!!..Talking about  Steampunk... i made this about 30 years ago when i was at art college  so was this the first item of steampunk and did i invent this genre ?!!!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 27, 2019, 12:02:02 AM
I have now invented a new Art/art movement called Spinal Tapism.....it is to do with the film when somebody drew a picture of Stonehenge.. but wrote down the dimensions as 3' rather than 30'  so when it was made is was really tiny!!!  anyway there was a plinth in Norwich that had a large metal sculpture placed on it....when this was moved i place one of my small maquette sculptures in the middle and let the denizens of Norwich comment on it....So ..if you want to see the Rockumentary about the British heavy metal bands ..this will be a good laugh   'Spinal Tap '

willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on July 27, 2019, 01:01:51 AM
Closest I ever got to that was 'Spiral Tap'...  :Lol:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: sco on July 27, 2019, 07:21:17 PM
Willy,

You crack me up, Spinal Tapism - isn't that basically what we are all doing with our model engines  ;D

Simon.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on July 30, 2019, 02:47:09 AM
Hi Chris and Simon,   ha ,yes  i suppose that is exactly what we do .!! Hopefully though we manage to measure and make everything correctly !!! still trying to get some work done ,but lots to do at the allotment, and enjoying the summer ......
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 01, 2019, 02:13:02 AM
Managed to get some more work done but still need to do some more  'fettling' on the 'casting'...

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 03, 2019, 03:19:52 AM
Starting on the valve followers...these are quite small and i have used 12BA bolts ...however they are too large so may have to use 14 or 16BA bolts and nuts ...!!! I could make them slightly wider though..we shall see what happens...I shall also have to re-align the lower shaft bearing arrangement
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 09, 2019, 02:49:53 AM
So... I have now got some 14BA bolts to use with the new part. I also have some 16BA bolts but they don't seem to be available now and they are 24 thou " that are quite small I have sourced the !4 BA from EKP supplies......I have used slightly larger square stock 5/16" so the smaller nuts will sit better. ...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 10, 2019, 11:43:38 PM
The meyer valve gear rod is now positioned and the new sliding connection part made. i shall have to redo the base so the bottom part will fit neatly...I have made the stock twice as long to avoid too much vibration when turning
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 14, 2019, 02:27:44 AM
Starting on the Meyer valve lever...started with a 3/8th square stock and holding in the lathe with a rod soldered in for chucking....

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on August 14, 2019, 02:49:01 AM
Very interesting mechanism, watching along...   :popcorn: :popcorn: :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on August 14, 2019, 06:20:21 AM
Willy......I understand scale is scale, however 14BA 'in Cheese Head' format leaves a little to be desired and are difficult to accept  :facepalm:

I am comfortable with M2, or at a pinch M1.5.........in most Bronze Grades is OK, however not so friendly in Stainless Grades

For 50+ years I have used British Rocol paste, however more recently gone over to an American Relton Brand tapping fluid........it displays a better fluidity when tapping

[old fashioned Beef Tallow is an ingredient  ....which is also used in cylinder honing fluids]

Pity they couldn't present it in a plastic container that didn't dribble or leak  :stickpoke:

Derek

 
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 15, 2019, 02:42:33 AM
Hi Derek, here in blighty sort of home of the BA screw thread that is over 100 years old and goes down to 25BA all sizes are available.  The thread size starts off at M6...(metric)  but with a 47 degree thread angle !! and each size down is 10% of the previous size. The Taps & Dies are available from Tracy Tools and the nuts and bolts come from EKP...

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 15, 2019, 02:47:32 AM
More work on the lever....some filling buttons are made to file up the small end and the other dimensions are sawn out and filed up...
Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Don1966 on August 15, 2019, 11:25:35 PM
Willy always great work and that vise of yours has see a lot of projects from all the file marks..... :ThumbsUp:


 :cheers:
Don
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on August 16, 2019, 12:18:15 AM
Morning Willy......yes, we are well versed [and stocked] with BA fasteners here in Australia and naturally all of the older [British] model steam engine plans & drawings nominate BA ......some say in a perfect world and starting from scratch, hard Metric sizing would be a preferable

So, 3 questions...

1. what is the fluid in the Nilkin Black Current jam jar?
2. would it be fair to assume the actual jar is 50+ years old?
3. what deceased animal bones  :hammerbash: were used in the file handles?

Derek

 
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 16, 2019, 03:27:16 AM
Hi Derek, the fluid in the small jar is oil that i tipped the silver steel filing buttons into to harden.  As we are on the brink of Brexit the uk is reverting back to imperial and old fashioned jars like these !!!!  The bones are chicken bones that litter the streets after the night clubs close !! they are actually quite ergonomic to hold and free as well !!

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 16, 2019, 03:32:17 AM
Hi Don, yes the vice is an old Record one ..the jaws are hardend steel and the holes are where i place 1/8th steel rods that are used as stops when i file components ...Thanks for looking in

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 17, 2019, 04:45:30 PM
continuing with the Meyer valve linkage...Using the filing jig to hold these small components  ..........
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 21, 2019, 02:19:42 AM
I have now made the valve and as there is not much room i have had to fit a buckle arrangement to it ... As i cannot see inside the valve chest i am having to make it up as i go along !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 22, 2019, 02:23:19 AM
A bit more with the valve gear...still "winging" it  !!!

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on August 22, 2019, 03:08:42 AM
Still watching the parts fly!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 22, 2019, 09:20:17 PM
Hi Chris,  Yea....Here are some boats steaming this side of the pond ,on the pond at Forncett steam museum.   These parts are quite small and when i look at them in close up i see all the small mistakes ..also i will have to reposition the front valve rod  slightly !!

Willy .
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 24, 2019, 03:00:05 AM
I now need to work out the throw of the eccentric to activate the valve gear. I have rigged up a dummy eccentric with a calculated throw and will use this visually to work out the actual dimensions using what measurements i have.....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 26, 2019, 01:14:43 AM
I have now worked out the measurements for the levers and rods for the valve events and also the throw for the eccentric offset. I think the actual slots for the ports would be very small in this model size ,so i made them a bigger and had to resize the dimensions.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on August 26, 2019, 01:53:25 AM
Well worth the time to plot out the valve and levers, watching along...   :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 29, 2019, 01:42:17 AM
The valve rod glands are tackled next using 12BA bolts and nuts. I have used a flat piece of steel to file them to profile together . I have modified my drilling machine accurately to drill small items. i have attached a steel plate to the aluminium bedplate as supplied and have used strong magnets to attach a block and the vice to the bottom plate. this is held quite tightly in place but can be slid sideways into position by eye quite accurately !!..the block will be ready for a steam test soon.

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on August 31, 2019, 02:40:38 AM
The inlet and exhaust flanges are made next.....to enable the pipe and governor bolting faces to match i have made up a drilling box.  the cylinder block has been drilled using the magnetic technique to hold the unwieldy "casting" in place.... Also the hole for theMeyer valve rod was in the wrong place so the hole was drilled larger ,tapped , and a larger screw lactated in place...

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 02, 2019, 02:45:35 PM
Have now been making the governor valve and this is made in three parts to get the correct 'casting' profile that will be silver soldered together ...The 12 BA bolts have a different A/F size to the nuts for some reason so there are two nut spinner sizes available from EKP....
Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: scc on September 02, 2019, 08:31:23 PM
 :popcorn: :popcorn:Watching and learning. This is another of those projects that is beyond my capabilities at present :(  Excellent work!                             Terry
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 04, 2019, 03:36:18 AM
Hi Terry, Thanks for the post and i am sure you could do this sort of work if you had as many tools ,files and equipment as i have accumulated over the past 60 years !! i Cannot seem to post pictures at the moment ??
willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on September 04, 2019, 06:45:32 AM
Hi Willy, I am another eagerly awaiting each post, and learning all the way.  Itís coming on beautifully.

I donít think it the number of tools you have, its the nut on the handles that makes the difference.

MJM460

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 04, 2019, 12:21:25 PM
Hi MJM, it is also the ergonomics chicken bone on the handle that helps !! more pics.. I am still finding it difficult to post photos ?
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on September 04, 2019, 01:05:16 PM
Hi Willy, it looks like you have selected the thumbnail instead of the reduced size picture.  Itís only 4.8 kB.

You are allowed up to 1000 kB but I find if you mail them to your self and select a small size for mailing or web posting, you get a few hundred kB which you save to photos and select for posting.  It seems to give reasonable image size and quality.

MJM460
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 04, 2019, 01:07:43 PM
Hi MJM, ok ..........A bit better..
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 04, 2019, 01:11:22 PM
a better pic
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 04, 2019, 01:15:49 PM
A larger pic...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on September 04, 2019, 11:57:30 PM
Hi Willy, I am sorry, I did not expect you to reply so soon.  It was late here and I went off to bed.

You seem to have the technique now, those last two at 200 to 300 kB size came up well.  You are allowed up to eight, but I must admit that I find that a few too many to keep in mind with the text unless they are really quite self explanatory.

I am looking forward to seeing what the second rod does on the valve gear.

MJM460

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 05, 2019, 02:27:35 AM
Hi All ,  Quite busy with the Governments machinations at the mo in sync with my machinations in the WKSP ....!!  the glands have been tidied up and the parts prepped and soft soldered to the "casting" ...need to wait an hour for it to cool down...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on September 05, 2019, 02:51:33 AM
Quite a complex shape! Looking great!    :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 06, 2019, 02:31:44 AM
Hi Chris , yes quite complex but it is manageable !!  more work using the  .035" 14 BA studding !! the nuts are quite small and i have used a 3 BA grub screw as a box spanner ...The bottom gasket is made and the holes in the cylinder are broached out to make it easier to assemble..

willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 11, 2019, 02:32:56 AM
More work prepping for a steam chest .. I have drilled the holes for the cylinder cap... 10 holes and i have used this multiple sided jig to space them . also silver soldering the flange for the gland then filing to shape using an aluminium plate to protect the cylinder cap from file marks the. I have used a cotton yarn charged with granite from a carpenters pencil for the making. I have made up some gaskets and bolted on the steam chest covers. I have also had to seal the Meyer valve gear holes before i can do the steam test...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on September 11, 2019, 03:27:39 AM
Okay, that's a new one for me, gotta see more of that multi sided jig and how you use it....   :thinking:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 12, 2019, 02:46:06 AM
Hi Chris, More info on the jig  ,it has accurate faces of 3 4 5 6 7 8 9 10.  So you put it in the lathe chuck and using the 'footed' square bring it up flush with the facets and the lathe bed.!! I have scribed 9 equidistant lines on this piece brass. I also use the 60 tooth /120 division bull wheel on the lathe ..however you can only get 1 2 3 4 5 6  8 10 12 divisions with it !!  also i have colour coded the teeth to make it quicker to set up...the cross slotting in the ident also has a cross slot to be able to get 120 divisions.      also i have a new tool !! this is a calliper to check dimensions, it is graduated in  1/64ths " so the numbers go up to 8 and then 1  so it is not a decimal inch tool ,but a  "hexadecimal " ??  tool ?? there is no makers name on it however ? and i have not seen one before !?it also has a screw to keep the dimension if one has to measure an inside dimension.

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Admiral_dk on September 12, 2019, 11:55:29 AM
Interesting tool Willy and thank you for showing an example on how to use it :ThumbsUp:

But in my world it can't be a hexadecimal system as this has to be based on 16 - see :
https://simple.wikipedia.org/wiki/Hexadecimal_numeral_system (https://simple.wikipedia.org/wiki/Hexadecimal_numeral_system)

Oh and nice build of yet another old English history piece.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on September 12, 2019, 12:48:22 PM
Hi Willy, the base 8 number system is called Octal, I believe.  As Admiral says, hexadecimal is base 16, and pretty common in the world of computing.  Itís easier to convert to binary than decimal.  Definitely works for a device graduated in sixty-fourths.

But I think they sold you a pup on that new tool.  It doesnít look to new to me!

I also found that little jig and the way you use it for dividing.  Fascinating, it would be a challenge to try and make, especially in one piece.  Thank you for posting the detail of it in use.

And great work on that beautiful engine.  So many new techniques for me to learn.  I look forward to every update.

MJM460



Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 19, 2019, 03:28:36 AM
I have now connected everything and have tried a preliminary air test  !!
   So it seems to run ok ..and now i can make the rest of the parts !!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on September 19, 2019, 03:31:31 AM
Excellent!!!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 19, 2019, 03:41:11 AM
Hi Chris, err umm yes .and thanks....i was a bit apprehensive trying it without the Watt //motion  and the stays  etc etc but it seems to run ok also the crank and eccentric positions were just set up by eye !!  still i suppose it just becomes second nature !! I did have a lot of adjusting and remaking parts and things though before i attempted the trial >....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 24, 2019, 02:49:30 AM
Hi all.. I have been thinking about the barring slots on the flywheel. I have a friend that has a laser cutter and computer skills and he has made a slotted ring to put in the flywheel from some perspex...   It may be possible to just turn a slot in the flywheel and break the ring and attach it rather like fitting a piston ring ...  some photos of the parts....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on September 24, 2019, 03:32:50 AM
Very slick solution!   :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: fumopuc on September 24, 2019, 03:52:32 AM
Hi Willy,, some time ago I have done it this way.
http://www.modelenginemaker.com/index.php/topic,4060.msg74852.html#msg74852
Only to show an other possibility of getting a similar result, but all from steel.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on September 24, 2019, 03:59:14 AM
Hi Willy,, some time ago I have done it this way.
http://www.modelenginemaker.com/index.php/topic,4060.msg74852.html#msg74852 (http://www.modelenginemaker.com/index.php/topic,4060.msg74852.html#msg74852)
Only to show an other possibility of getting a similar result, but all from steel.


I really like how you applied the square sections around the hub and notched in the little bars at the rim, great look!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 24, 2019, 10:36:06 PM
Hi Achim , thanks for the pics and there was quite a lot of work there  And of course it is all metal !!  I have now cut the slot and inserted the perspex slots. ..

Hi Chris , this is one way of doing this using modern technology and i hope it will look ok when it is painted...It might be possible to cut a similar ring from steel and bend that to insert it like the perspex one. one can do it with piston rings of course..

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on September 25, 2019, 04:58:14 AM
Willy....... did this E&A [main engine]...have a smaller steam driven baring gear engagement engine?....

With large modern marine diesel engines, electric motor driven "baring gear" is used for rotating the engine via the crankshaft for all inspection and maintenance procedures

So was the "baring gear" on this E&A single cylinder steam engine used for a starting/timing position?, or also the latter .....being inspection and maintenance procedures?

Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 25, 2019, 02:43:23 PM
Hi Derek, This engine had just a baring pole that located at the back of the engine with a roller on the fulcrum point into the square pockets on the flywheel... On larger engines the steam driven baring engine used an involute gear that engaged with the involute gear/pockets on the flywheel....  This engine is not that large and all the components are readily acssesable  for maintenance purposes.... thanks for looking in...

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 25, 2019, 03:04:50 PM
Hi Derek, also on some engines the barring arrangement was a large curved plate with slots bolted to the wall next to the flywheel and rather than 'pockets' in the flywheel a series of slots in the curved plate were used with the bar resting on the spokes...A bit harsh on the paintwork but a cheaper way of manufacture.....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on September 26, 2019, 12:16:28 AM
Thanks Willy......[I have watched the video with the steam baring engine on that very large multi cylinder green water pumping engine]

So with the E&A engine...assuming that the manual lever barring was used to set the timing prior to bringing on line with steam

Would this be ~~ X degrees below TDC? [for admission of the steam] or would this positioning be set as a % of stroke below TDC?

I am guessing a larger volume of steam [with a higher % of stroke] to expand would have greater rotational acceleration?

Will you consider the governor? [as you show in October 2018]........will you consider cylinder port drains....[for warm up or expel condensate] again, in the images from that date, a Spirax Y type angular steam drain is shown in a bypass loop to the engine valve port]
Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 26, 2019, 02:43:21 AM
Hi Derek,  I think the barring was achieved by the engine driver that did it by trial and error to start off with and then made a Mark on the flywheel for future reference . This is a working engine and it is working with no load so they have to be quite careful that it will not 'run away' .. so the governor and the steam valve have to be set very carefully. There are a lot of quite  modern small pipes on this engine about  1" diameter and so as this is 1/18th scale that will make the pipes and the fittings about 55 thou !! this is very small so i will put on some pipework but with oversize fittings. The governor is being made but will take more time to compleat towards the end of the build.....
I am making the straps and have started with some angle iron milled out and the bearings turned up and filed to fit....
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 27, 2019, 02:22:50 AM
The spacer is made next ...it should be steel but i have made a trial with brass... the lattice parts will be made next.  I have a supply of  Karen Milan brass name letters from Jarrolds skip...very useful stuff from the skip so thanks Jarrolds !! :whoohoo:.  I may actually bright nickel plate the spacers but will see what happens..
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on September 27, 2019, 06:02:51 AM
So Willy says....."1/18th scale that will make the pipes and the fittings about 55 thou !!" ......understood Willy

K&S brass tubing goes down to 1/16" OD [ 0.0625" OD  x 0.014" wall & [despite multiple annealing] this is a difficult tube size to bend without collapse  :hammerbash:

Anton, the French manufacturer of my gas regulator has soft sealing O-ring ports to suit M2 OD x 0.45 wall tube  [0.079" OD]  .......and as expected, I found this near impossible to bend and fabricate multiple bends

So to resolve this, I chose the nominated M2 OD tubing [disconnected in the yellow box], but soldered as a standpipe into 1/8" OD which I have good success in bending & fabrication

Derek
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: mike mott on September 27, 2019, 02:30:24 PM
Quote
K&S brass tubing goes down to 1/16" OD [ 0.0625" OD  x 0.014" wall & [despite multiple annealing] this is a difficult tube size to bend without collapse  :hammerbash:

I have had good luck bending small tube by first annealing and then filling the tube with a styrene rod bend it then burn out the styrene.

Mike
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 28, 2019, 02:42:33 AM
Hi Derek,  yes the 1/16th pipe ,,.  .0625" is available  however the fittings to match it would be very fiddly to make !! ..we shall see what happens !!

Mike . that sounds like a good idea...here in blighty there is a supply of small springs that the pipe can go into to facilitate bending...

More work on the strap spacers.. I have made a clamp to saw and file the angled parts of the strap construction  which are silver soldered int place....

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: fumopuc on September 28, 2019, 07:14:00 AM
Hi Achim , thanks for the pics and there was quite a lot of work there  And of course it is all metal !!  I have now cut the slot and inserted the perspex slots. ..

Hi Chris , this is one way of doing this using modern technology and i hope it will look ok when it is painted...It might be possible to cut a similar ring from steel and bend that to insert it like the perspex one. one can do it with piston rings of course..

Willy


Hi Willy, that looks perfect. I am sure with the right primer and color it will be a masterpiece.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: MJM460 on September 28, 2019, 12:11:18 PM
Hi Willy,

I had noticed those details in some of your earlier pictures, and wondered how on earth you would make those, or would you make something simpler.

That jig is a most ingenious solution to a quite difficult problem.

Wonderful progress.

MJM460


Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on September 29, 2019, 01:13:49 AM
Hi All ..the jig seemed to e a good idea at the time but i need to sort out how to actually use it as the finished part was a bit wonky ..However  on some of these engines the prototype parts were also a bit wonky....I may use brass again as i have found this silver solution that i thought could tone down the brass to give a sort of steely hue...still working on that...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 01, 2019, 02:28:03 AM
Having another go at these strap inserts but still not happy with them.. Am thinking about using a slitting saw to get the right dimensions ... using it in the lathe...  however the diagonals will be quite thin  about .014" and might get distorted quite easily when cutting... will see what happens...I have a slitting saw attachment and some .015" brass shim so will try it out !!

Willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 02, 2019, 02:09:12 AM
Ok... I have been rethinking the straps and have modified the jig...Rather than cutting diagonal slots i have remodelled it and now just use the corners of the sliding parts to place the saw blade .I will be using the extra thin  .015" shim and using the very thin  Xacto mini saw This has seemed to worked on the first diagonal but, when i come to cut the other diagonal it may distort the first one ......we shall see what happens once they are silver soldered in place  !!The first diagonals were  .033" thick as i thought they would be easier to make !!
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: crueby on October 02, 2019, 02:18:33 AM
Wow, thats some small bits!


 :popcorn:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 03, 2019, 02:39:48 AM
HI Chris, yes and one of the bits seem to have got smaller.......I thought I would be clever to saw the other web part without distorting the first ones. However after trying to fill up the gaps with soft solder to stiffen everything up when I filed the soft solder off , the part had disintegrated and seemed to have withered away !! I was using a flame source of heat and thought I was just filling the gaps with the solder!!  So I will have to make the part again and go back to the drawing board ??

willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: derekwarner on October 03, 2019, 03:17:40 AM
Willy....it's the old story [in reverse]......"the hand is not quicker than the eye"......

So the gas flame is heating the iron first......the solder has not reached the molten state......then before you know it the solder has exceeded the fluid puddling state & ends up as splattered droplets & burning your trousers :lolb:

There is a Chap from Canada 'George G'...who posts on Model Mayhem.........he is a true Artisan :facepalm:  in soft soldering brass scratch built components for older model ships

Derek

PS...I once partially submerged a 3" iron bench vice in water in the kitchen sink as a heat sink :Lol: it worked perfectly.....I had soft soldered M3 tapped brass hex standoffs as feet, but each time I attempted to solder the additional vertical valve spool....the heat transfer affected the alignment of the feet.......so into the sink with water  :ThumbsUp:

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 04, 2019, 03:46:24 AM
Hi Derek, thanks for the post and yes it is a learning curve when we try to be jack of all trades but masters of some !!!!  I have had more ideas about this part and have come up with the following.... After the insertion of the first diagonal parts   .015". and silver soldering in place the small wedges were installed to keep these parts from distorting . this seems to have worked but I do need to make a new jig to enable greater depth of insertion also if the part is made from steel it would be much more stable.. when I came to clean it up the pressure of the file was too much for this small parts.... the photos...

willy
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: mike mott on October 04, 2019, 04:48:06 PM
Willy that is an interesting sequence for getting the final result. Like all things there are a variety of ways to get to the same destination.

Mike
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: ChuckKey on October 05, 2019, 09:45:26 AM
I have to admire your perseverance with a right bugger of a part. I think if I absolutely had to make those I might start with a spark eroder.
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 05, 2019, 11:47:01 PM
Hi all , yes thanks, there are different ways to do stuff and a spark eroded would be the way to go...however ,I dont have one of those !!......yet.. or the skill to programme the drawings.... I will persevere with what I am doing  though as there is no rush...It is the Forncett exhibition and gathering this Sunday but rain is forecast all day... I will get lots of photos though.  Will see all the local M.I.M. colleages there


willy

Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: Roger B on October 06, 2019, 08:19:23 AM
That's a neat solution to building a tricky part  :ThumbsUp:  :ThumbsUp: Still following along in the background  :wine1:
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 12, 2019, 02:01:24 AM
Hi Roger, yes..however I have met my friend that does laser cutting and just asked him about how thin/thick he could cut parts !! so quick as a flash he switched on the computer and drew out a sort of part to see what would happen and then cut out the parts in black perspex....!!  So this is what he came up with.. I have put some metal coloured paint on it and it sort of might do....we shall see. The Forncett exhibition was a bit 'moist' with torrential rain all day. So only one large scale model ventured out.. and only a few exhibitors inside... I will post some photos soon...
Title: Re: Easton and Andersom beam engine at Bressingham.
Post by: steam guy willy on October 17, 2019, 02:59:35 AM
more work on the pump straps.  Also another vice with a strange bolting down arrangment ??  I am going to the Midland show on Friday and will be wearing my   "steam guy willy " cap so if you see me say Hi !!

Willy...........